50130
domain: N
Appears in sequences
- Numbers n such that the number of primes between n^2 and (n+1)^2 = the number of primes between n and Reverse(n) (inclusive).at n=24A074817
- a(n) = n*(2*n^2 + 5*n + 13)/2.at n=36A163655
- Number of n X 4 0..1 arrays with rows and columns lexicographically nondecreasing read forwards, and nonincreasing read backwards.at n=26A201371
- Number of partitions p of n such that (maximal multiplicity over the parts of p) = number of 1s in p.at n=45A241131
- Members of A014574 with sum of prime factors (with multiplicity) also in A014574.at n=29A349455